平面曲线

探讨了周期样条插值的算法，利用参数插值思想，设计了一般平面曲线的三次样条插值算法，并分析了其算法复杂度。

The cyclical spline interpolation algorithm has been discussed . With the parameter interpolation , thought , the general plane curve of three spline interpolations algorithm has been designed , and its time complexity has been analyzed .

用Excel绘制函数平面曲线的研究

Research on Drawing Function Plane Curve by Using Excel

平面曲线放样元素计算的CAD方法

The CAD method of calculating plane curved line elements

基于PLC的平面曲线焊接控制系统

The Control System of Plane Curve Welding Based on PLC

一类平面曲线簇上的Radon变换

Radon transform on a family of curves in the plane

相对于基于V系统的平面曲线匹配算法而言，该算法的难点在于旋转矩阵的估计。

Compared to the plane curve matching algorithm based on V system , it is difficult to estimate rotation matrix .

平面曲线上几何MDS码的主猜想

On the Main Conjecture of Geometric MDS Codes Arising from Plane Curves

基于OO技术铁路平面曲线测设系统研究

The Study of Railway Plan Curve Measuring System Based on OO Technology

Tabu搜索在平面曲线多边形近似中的应用

Optimum Polygonal Approximation of Digital Curves Using Tabu Search

Koch分形曲线是分形图形中一种较为典型的平面曲线。

Koch fractal curve is a normal curve in plane curves .

利用MFC进行高速公路平面曲线设计

The plane curve design with MFC

根据定义，F通过平面曲线C上的通量是一个线积分，用符号F•n，ds表示。

Then the flux of F across a curve C is , by definition , a line integral but I will use notation F dot n ds .

介绍了一种动态规划算法，通过使用二次Bézier曲线段拟合平面曲线，提取出曲线中的特征点，从而达到曲线分段的目的。

A dynamic programming algorithm was employed to detect dominant points within a planar digital curve by approximating the given curve with quadric B é zier curves .

平面曲线的生成算法主要有DDA（数学微分分析器）和DCM（位移比较法）。

The two classes of planar curve generation are DDA ( digital differential analyzer ) and DCM ( displacement comparison method ) .

三维Minkowski空间中的螺旋面是一条平面曲线经由螺旋运动所生成的曲面。

A helicoidal surface in Minkowski 3-space is defined as the orbit of a plane curve under a screw motion .

介绍了任意站极坐标法测设线路平面曲线中桩和边桩的原理，推导了中桩和边桩坐标计算的数学模型，并用VISUALBASIC编制程序实现之。

The paper introduces the principle of laying out railway horizontal curve by using polar coordinate method at arbitrary point , and concludes the mathematic models of middle stake and side slope stakes ' coordinate calculations . It has been realized by designing program on Visual Basic .

介绍了用AutoCADVAB创建图形用户界面，编制宏代码，并在AutoCAD中设计和绘制出凸轮轮廓曲线的一种方法，为在AutoCAD中设计和绘制复杂平面曲线提供了指导意义

This paper introduces a method of creating user interface , establishing macro code , designing and drawing cam contour curve in AutoCAD based on AutoCAD VBA Providing directive significance for designing and drawing complex plane curve in AutoCAD

为此，本文提出一种高效实用的空间凸轮CAM技术，即化空间复杂曲线数控编程为平面曲线数控编程的CAM技术，可以解决各类空间凸轮的数控加工自动编程问题。

Therefore , an effective CAM technology for spatial cams is presented , which can solve most of spatial cams ' NC programming problem . With this technology , the spatial curve NC programming issue is converted to a planar curve NC programming .

平面曲线的奇点S（1，m-4）~m的讨论

The investigation of the singularity s_ ( 1 , m-4 ) ~ m ( p ) of a plane curve

Nagata猜想是关于满足特定条件的平面曲线的次数的下界的猜测，这些特定要求是指此类曲线过平面上给定的若干个一般点，并在相应点有给定的重数。

Nagata 's conjecture concerns about the lower bound of the degree of a plane curve with preassigned singularities in general position .

推导出凸轮轮廓曲线的一般解析方程，用VBA创建图形用户界面，编制宏代码，并在AutoCAD中设计和绘制出凸轮轮廓曲线，这一研究为在AutoCAD中复杂平面曲线的设计提供了新方法。

Introduces general equations of cam contour curve , and creates user interface . At the same time establishes marco code for designing and drawing cam curve based on AutoCAD VBA . This provides a new mothed for designing complex plane curve in AutoCAD .

分析了以NURBS为代表的参数曲线表达方式在数控加工应用中的不足，借鉴了生物基于基因控制的生长模式，提出了基于规则控制的平面曲线描述方法，即以步长和转角来描述曲线。

This paper analyzes the limitations of the parametric curve expressions represented by NURBS curves in the application to NC machining . It draws on the model that organisms grow on the basis of gene control . A plane curve description method based on the control by rules is presented .

浅谈铁路平面曲线的施工放样测量

Discussion on Construction Setting - out Survey of Railway Plane Curves

基于手工编程的任意平面曲线加工方法研究

Research on Machining Method of Free Plane-curve Based on Manual Programming

磨削平面曲线型刀刃的特种回转面刀具的原理

Grinding principle of special rotary cutter with plane curved cutting edges

关于三次平面曲线的点阵表示及配极对应

On the Representation of Plane Cubic Curve in Lattice and Polarization

用积木法设计公路平面曲线

The Study on Using Building Blocks Methods to Design Horizontal Curve

平面曲线轮廓度误差评定的算法分析

Algorithmic analysis of error evaluation for a planar free-form curve profile

等参有限元法在平面曲线梁桥中的应用

Application of Isoparametric Finite Element Method in Planar Curved Beam Bridge

平面曲线运动加速度公式在常见曲线运动中的适用性

Applicability of Plane Curvilinear Motion Acceleration Formula to General Curvilinear Motion